Define calorific value of a fuel.
The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its calorific value. The calorific value of a fuel is expressed in a unit called kilojoule per kg (kJ/kg).
What is global warming ?
Which zone of flame has highest temperature ?
Name the type of fire extinguisher used for extinguishing oil fires.
What type of fire extinguisher is used to extinguish fire caused by electricity ?
